Use a fake build target for the telephony drivers
diff --git a/Makefile.am b/Makefile.am
index 84dcbec..fc62ca9 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -123,6 +123,11 @@
 			audio/unix.h audio/unix.c \
 			audio/telephony.h
 builtin_nodist += audio/telephony.c
+
+noinst_LIBRARIES = audio/libtelephony.a
+
+audio_libtelephony_a_SOURCES = audio/telephony.h audio/telephony-dummy.c \
+                                audio/telephony-maemo.c audio/telephony-ofono.c
 endif
 
 if INPUTPLUGIN